[Intel-gfx] [PATCH 08/16] drm/i915: Kill fbc_wm_enabled from intel_wm_config

[Paulo Zanoni]

2013/10/9  <ville.syrjala at linux.intel.com>:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> The fbc_wm_enabled member in intel_wm_config is useless for the time
> being. The original idea for it was that we'd pre-compute it and so
> that the WM merging process could know whether it needs to worry
> about FBC watermarks at all.

If it compiles, then I guess it's fine, right?

>
> But we don't have a convenient way to pre-check for the possibility
> of FBC being used. intel_update_fbc() should be split up for that.

I wonder if we should keep that register bit which says "disable FBC
watermarks" disabled all the time while FBC is disabled... Last time I
checked, we were not doing this.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index d307039..e81221d 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2213,7 +2213,6 @@ struct intel_wm_config {
>         unsigned int num_pipes_active;
>         bool sprites_enabled;
>         bool sprites_scaled;
> -       bool fbc_wm_enabled;
>  };
>
>  /*
> --
> 1.8.1.5
>
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-- 
Paulo Zanoni